Which of the following statements about feedback inhibition in metabolic pathways is most CORRECT?
A. The product of the pathway inhibits its own production by binding reactants in the metabolic pathway.
B. The product of the pathway inhibits its own production by competitively inhibiting the binding of a substrate to the active site of an enzyme within the metabolic pathway.
C. The product of the pathway inhibits its own production by noncompetitively inhibiting the binding of a substrate to the active site of an enyzme within the metabolic pathway.
D. The product of the pathway inhibits its own production by noncompetitively binding to reactants.
E. All of the choices are correct.
C. The product of the pathway inhibits its own production by noncompetitively inhibiting the binding of a substrate to the active site of an enyzme within the metabolic pathway.
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Which of the following is true about vegetative reproduction?
A) It involves both meiosis and mitosis to produce haploid and diploid cells. B) It results in the production of fruit fruits. C) It involves meiosis only. D) It can lead to genetically altered forms of the species. E) It produces clones of the parent plant.
Which of the following is the fungus most often isolated from human clinical specimens?
A) Candida albicans B) Cryptococcus neoformans C) Histoplasma capsulatum D) Pneumocystis jiroveci
Which pinniped can use its hind limbs to walk on land?
a. Guadalupe fur seal b. Steller's sea lion c. leopard seal d. elephant seal e. harbor seal
What is the structure labeled F in the accompanying figure?
A. Cytoplasm B. Nucleoid C. Plasma membrane D. Capsule E. Pilus